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CA2189632A1 - Novel cementitious systems and novel methods of making the same - Google Patents

Novel cementitious systems and novel methods of making the same

Info

Publication number
CA2189632A1
CA2189632A1 CA002189632A CA2189632A CA2189632A1 CA 2189632 A1 CA2189632 A1 CA 2189632A1 CA 002189632 A CA002189632 A CA 002189632A CA 2189632 A CA2189632 A CA 2189632A CA 2189632 A1 CA2189632 A1 CA 2189632A1
Authority
CA
Canada
Prior art keywords
novel
cementitious systems
alkali
novel methods
disclosed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002189632A
Other languages
French (fr)
Other versions
CA2189632C (en
Inventor
Gregory S. Barger
Eric R. Hansen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ASH Grove Cement Co
Original Assignee
ASH Grove Cement Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to US08/334,820 priority Critical patent/US5626665A/en
Application filed by ASH Grove Cement Co filed Critical ASH Grove Cement Co
Priority to CA 2189632 priority patent/CA2189632C/en
Priority to US08/789,019 priority patent/US5788762A/en
Publication of CA2189632A1 publication Critical patent/CA2189632A1/en
Application granted granted Critical
Publication of CA2189632C publication Critical patent/CA2189632C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00—Hydraulic cements
    • C04B7/12—Natural pozzuolanas; Natural pozzuolana cements; Artificial pozzuolanas or artificial pozzuolana cements other than those obtained from waste or combustion residues, e.g. burned clay; Treating inorganic materials to improve their pozzuolanic characteristics
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/04—Portland cements
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/18—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing mixtures of the silica-lime type
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00—Hydraulic cements
    • C04B7/12—Natural pozzuolanas; Natural pozzuolana cements; Artificial pozzuolanas or artificial pozzuolana cements other than those obtained from waste or combustion residues, e.g. burned clay; Treating inorganic materials to improve their pozzuolanic characteristics
    • C04B7/13—Mixtures thereof with inorganic cementitious materials, e.g. Portland cements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)

Abstract

Novel cementitious systems comprised of gypsum, calcined clay, and clinker consisting essentially of hydraulic calcium silicates are disclosed which have the following properties: (1) a water demand of less than about 33% nc; (2) one-day strengths of at least about 1000 psi; and (3) low alkali functionality. By increasing the amount of calcined clay, the resulting cementitious system will sequentially gain the following properties: (1) alkali non-reactiveness; (2) alkali resistance; and (3) low chloride permeability. Novel methods of preparing the novel cementitious systems of this invention are also disclosed. The novel methods not only reduce production costs by decreasing fuel and raw material consumption, but they also allow the cement producer to proactively address significant environmental concerns related to the manufacturing process.
CA 2189632 1994-11-04 1996-11-05 Novel cementitious systems and novel methods of making the same Expired - Lifetime CA2189632C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US08/334,820 US5626665A (en) 1994-11-04 1994-11-04 Cementitious systems and novel methods of making the same
CA 2189632 CA2189632C (en) 1994-11-04 1996-11-05 Novel cementitious systems and novel methods of making the same
US08/789,019 US5788762A (en) 1994-11-04 1997-01-27 Cementitious systems and methods of making the same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/334,820 US5626665A (en) 1994-11-04 1994-11-04 Cementitious systems and novel methods of making the same
CA 2189632 CA2189632C (en) 1994-11-04 1996-11-05 Novel cementitious systems and novel methods of making the same

Publications (2)

Publication Number Publication Date
CA2189632A1 true CA2189632A1 (en) 1998-05-05
CA2189632C CA2189632C (en) 2004-01-13

Family

ID=25678803

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2189632 Expired - Lifetime CA2189632C (en) 1994-11-04 1996-11-05 Novel cementitious systems and novel methods of making the same

Country Status (2)

Country Link
US (2) US5626665A (en)
CA (1) CA2189632C (en)

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Also Published As

Publication number Publication date
US5788762A (en) 1998-08-04
CA2189632C (en) 2004-01-13
US5626665A (en) 1997-05-06

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